% Command to consistently format side-panel with C++ versions 
% that introduced different variants of the algorithm.
\newcommand{\cppversions}[5]{
\begin{margintable}
\footnotesize
\begin{tabular}{|m{\dimexpr.5\marginparwidth-2\tabcolsep-1pt}|m{\dimexpr.5\marginparwidth-2\tabcolsep-1pt}|}
\rowcolor{black!80} \multicolumn{2}{c}{\textcolor{white}{#1}} \\
introduced & #2 \\
\hline
constexpr & #3 \\
\hline
parallel & #4 \\
\hline
rangified & #5 \\
\hline
\end{tabular}
\end{margintable}
}